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Estimated Costs of Crop Production in Iowa - 2017
This publication estimates the cost of crop production in Iowa for 2017. Estimates for corn following corn, corn following soybeans, corn silage following corn, herbicide tolerant soybeans following c
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Crop Advantage | 2017 Series Proceedings
These proceedings feature summaries from workshops presented as part of the 2017 statewide Crop Advantage Series. Authors provide key points of their presentation, references for print and Internet m
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Fungicide Resistance in Field Crops FAQ
This publication answers some common questions that farmers or agribusiness may have about fungicide resistance in field crops, including information on how fungi become resistant to fungicides and ho
Cover Crops Do's and Don't's
This publication addresses the facts and myths related to weed, insect, and disease management when using cover crops. This publication was created by the Crop Protection Network, which includes autho
Grain & Oilseed Basics Module
This module is to acquaint you with various grains and oilseeds grown in the United States and discusses how the major grains (wheat and corn) and soybeans are handled, processed, and used in food, fe
Corn Processing Module
This module is designed to help understand how corn is processed into food, feed, and industrial products and where potential food and feed safety problems may occur, and how corn processing fits into
Wheat Processing Module
This module will recognize components of wheat processing prior to receipt at feed mill, identify classes of wheat and wheat by-products commonly used as livestock feed ingredients, list food safety h
Grain & Oilseed Risk Assessment Module
This module will introduce you to food safety hazards that may be present in the grain supply chain with a specific focus on grain and oilseeds. This grain module is brought to you by the Iowa Grain Q
Rendered Ingredients Module
This module identify rendered ingredients, list the component steps of the rendered process prior to receipt at the feed mill, identify specialized equipment used to process rendered ingredients, and
Non-Grain By-Product Ingredients Module
This module identify common non-grain by-product ingredients, recognize the origin of non-grain by-product ingredients prior to receipt at the feed mill, identify specialized equipment used to process
Medicated Feed Additives and Other Regulated Ingredients Module
The module for medicated feed additives and other regulated ingredients cover: the classification structures for medicated additives and medicated feeds, the identification of other regulated ingredie
Production Animal Digestion and Nutrition Module
Not every type of animal can adequately process and utilize the nutrients in all types of feedstuffs. This presentation will provide a brief overview of the various digestive systems found in producti
Production Animal Feed Formulation Module
The module will identify personnel responsible for production animal feed formulation, identify differences in diet formulation between species of animals and phase production within a species, and co
Quality Assurance and Safety Module
The module will identify the individual responsible for quality assurance and feed safety in feed manufacturing, recognize the difference between hazard identification and hazard analysis, and identif
Sanitation and Pest Management Module
The module will identify the components of a pest control program, including personnel and preventative practices used to reduce pests, identify individuals responsible for sanitation of specific proc
Beef Industry Module
The learning objectives are as follows: Recognize how the beef cattle industry is divided and name key personnel in each division. Differentiate between management strategies at each stage of beef cat
Dairy Industry Module
The learning objectives discussed: Recognize how the dairy cattle industry is divided. Sequentially list the stages of dairy cattle production and how various dairy cattle production animals are manag
Poultry Industry Module
The learning objectives are as follows: Recognize how the poultry industry is divided. Describe how various production poultry are managed. Explain the different types of housing used for poultry prod
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Swine Industry Module
The learning objectives are as follows: Recognize how the swine industry is divided. Differentiate between management strategies at each stage of swine production. Explain different types of housing u
Soybean Growth and Development - Soybean Staging
Soybean Staging - Intended to be used as a quick reference handout for soybean staging. It is a supplement to the larger Soybean Growth and Development publication. This publication is availa
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Corn Growth and Development - Corn Staging
Corn Staging - Intended to be used as a quick reference handout for corn staging. It is a supplement to the larger Corn Growth and Development publication. This publication is available in pri
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Soybean Growth and Development - Key Growth Stages
Key Growth Stages - Intended to be used as a quick reference for key times in soybean growth and development. It is a supplement to the larger Soybean Growth and Development publication.
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Corn Growth and Development - Key Growth Stages
Key Growth Stages - Intended to be used as a quick reference for key times in corn growth and development. It is a supplement to the larger Corn Growth and Development publication. This publicatio
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Dryeration Module
Dryeration increases energy efficiency by 15 to 30 percent compared to high temperature drying with immediate cooling. This grain module is brought to you by the Iowa Grain Quality Initiative and was
Aeration Module
A look at how to maintain stored grain in good, quality condition, we’ll see how three different conditions interact to cause grain spoilage problems. This grain module is brought to you by the Iowa G
Fan Performance Module
As we look at using fans for drying and storage of grain, it's important to know what performance those fans are giving and what performance is needed in-order to select an appropriate fan for a dryin
Grain Drying Economics Module
Climate conditions in the upper Midwest states make it necessary for most corn harvested for grain to be dried artificially. Grain producers are faced with a variety of choices when it comes to market
Grain Storage Economics Module
Storage is a primary method to ration the use of commodity corn and soybeans once harvested, throughout the marketing year. This grain module is brought to you by the Iowa Grain Quality Initiative an
Mycotoxins 1: Mycotoxin Development Module
This module will discuss mycotoxins and their significance for grain and feed industries. This module covers mycotoxin production by various fungal species and the impact of mycotoxin contamination in
Mycotoxins 2: Best Practices in Handling and Testing Module
This module will focus on sampling and analysis of grains for mycotoxins, factors that influence the contamination of stored grains with mycotoxins, and options for handling and use of contaminated gr
Oilseed Processing Module
Oilseeds and their by-products are valuable ingredients for livestock and poultry. This module will identify components of oilseed processing prior to receipt at feed mill, identify common oilseeds an
Crop Rotations, Composting and Cover Crops for Organic Vegetable Production
Organic production and consumption has increased to a $39.5 billion industry in the United States with over 22,000 organic farmers. Over 5.4 million acres are in organic production in the U.S., includ
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Soybean Stem Zone Lines: Fact and Fiction
This publication discusses zone lines in soybean stems, and addresses a common misconception about the cause of these symptoms. This publication was created by the Crop Protection Network, which inclu
Ear Rots
This publication describes common corn ear rots in the United States and Canada, discusses mycotoxins associated with these ear rots, and briefly addresses management of ear rots and affected grain. T
Mycotoxin FAQs
This publication answers frequently asked questions (FAQs) about the mycotoxins produced by corn ear rot fungi. The publication was developed by the Crop Protection Network, which includes authors fro
Corn Disease Management - Grain Sampling and Mycotoxin Testing
This publication recommends grain sampling and testing methods for detecting mycotoxins. This publication was created by the Crop Protection Network, which includes authors from Land Grant universiti
Corn Disease Management - Storing Mycotoxin-Affected Grain
This publication outlines how to manage stored grain affected by mycotoxins. This publication was created by the Crop Protection Network, which includes authors from Land Grant universities across th
Corn Disease Management - Using Atoxigenics to Manage Aflatoxin
Aspergillus ear rot is one of the most economically important corn ear rots in the southern United States. The fungus produces aflatoxin, which is a dangerous mycotoxin. Most governments regulate afl
Bacterial Leaf Streak of Corn
Bacterial leaf streak, caused by Xanthomonas vasicola pv. Vasculorum, was recently identified in Iowa. The disease has been found in field corn, seed corn, popcorn and sweet corn. Based on what we kno
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Corn Disease Loss Estimates For the United States and Ontario, Canada - 2015
Created by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario, this publication documents the impact of major diseases on corn
Hail on Corn in Iowa
This publication shows how to obtain an estimate of the potential yield loss from hail injury to corn. It describes the methods used to quantify injury and stand loss, as well as corn growth stages, w
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Building Soil Health
This soil health management publication provides an overview about soil functions and services that are essential for sustainable agriculture systems. The research-based information in this publicatio
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Corn and soybean Field Guide
This revised, 158-page pocket-sized guide (3-3/4" x 6") combines the Corn Field Guide and Soybean Field Guide in one publication for ease of use by corn and soybean farmers, agronomists, and
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Corn and soybean Field Guide (Unit=25)
This revised, 158-page pocket-sized guide (3-3/4" x 6") combines the Corn Field Guide and Soybean Field Guide in one publication for ease of use by corn and soybean farmers, agronomists, an
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Reducing Nutrient Loss: Science Shows What Works
Iowa has been working for decades to protect and improve water quality through best scientific management, land use, and edge-of-field practices to reduce nutrient loss from farmland. The Iowa Nutr
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Iowa Cover Crop Resource Guide
A cover crop is a plant grown to protect and enrich soil when the soil would otherwise be bare. Historically, cover crops were used by ancient Greek, Roman, and Chinese farmers thousands of years ago
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Getting to Know the Insects

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A Farmer's Guide to Corn Diseases
A Farmer’s Guide to Corn Diseases provides an overview of the corn diseases that currently occur in the United states and Canada, with an emphasis on diagnosing diseases in the field. Information for
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A Farmer's Guide to Soybean Diseases
A Farmer’s Guide to Soybean Diseases provides an overview of the soybean diseases that currently occur in the United states and Canada, with an emphasis on diagnosing diseases in the field. Informatio
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Computing a Cropland Cash Rental Rate
This publication guides owners and renters through the process of computing a cash rental rate for farmland.
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Using Manure Nutrients for Crop Production
Manure has characteristics that make nutrient management different and sometimes more complicated than fertilizer. Find out about manure nutrient availability for crops, manure nutrient supply, manure
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Nitrogen Use in Iowa Corn Production
Nitrogen is essential for growth and reproduction of crops and is involved in many important plant biochemical processes. Nitrogen management is critical for optimal yields for corn production systems
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Mushroom Identification Form
Are you uncertain about a mushroom you have around your home or in your field? Download, fill out and print this form and send it along with your sample to the ISU Plant and Insect Diagnostic Clini
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Review Course for the Iowa Certified Crop Advisers
This course prepares individuals for the Iowa Certified Crop Adviser (CCA) Examination. The course is divided into the four major exam competency areas. Within each competency area are modules th
Determination of Potential Microbial Hazard(s) in Animal Food
There are many factors that can contribute to feed becoming contaminated with a microbial hazard during the production of food for pets and livestock. The purpose of this reference document is to prov
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Risk Assessment Framework
Risk analysis activity for this project can be divided into two major components. The first section will examine the grain supply chain and determined the routes of potential compromises in food safet
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Using ILeVO® with preemergence herbicides
This publication summarizes the results of a two-year study in Indiana and Iowa that examined the impact of ILeVO® and common preemergence herbicides on soybean phytotoxicity, stand, and yield. This p
The Effectiveness of Neonicotinoid Seed Treatments in Soybean
Beginning in the early 2000s, neonicotinoids were increasingly used as seed treatments for field crops. More than 80 percent of corn and 40 percent of soybean acres nationally are planted with neonico
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Crop Production Clipboard
Crop production clipboards provide a handy way to keep key reference information with you in the office helping customers or scouting in corn and soybean fields. Calibration and conversions supplement
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Identifying Miscanthus in Iowa
Do you know the difference between the Miscanthus species? One species of Miscanthus is now being evaluated for its bioenergy potential. However, two other species of Miscanthus are becoming invasive
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Finding a Certified Pesticide Applicator for Emerald Ash Borer Treatment
A useful guide to finding certified pesticide applicators who can treat for tree and shrub pests, including the emerald ash borer.
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Scouting for Phytophthora Root and Stem Rot in Soybean
Scouting for Phytophthora Root and Stem Rot in Soybean is a publication with information on how to identify, scout for, and manage the disease. The publication was developed by the Crop Protection Net
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Weed Identification Field Guide 2nd Edition (Unit=44)
The Weed Identification Field Guide, 2nd Edition, is a revised and expanded pocket-sized guide (3-3/4" x 6") for farmers and agronomists to use for weed identification in Iowa corn and soybe
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Conservation Techniques for Vegetable Production: Combining Strip-Tillage and Cover Crops
Strip-tillage is when a crop is planted into narrow, tilled strips and the non-tilled area between the strips might contain residue from the previous season's main crop or a living or dead cover crop.
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Midwest Cover Crops Field Guide 2nd Edition
The updated and expanded edition of this popular, 162-page guide includes nearly 30 pages of new material, including cover crop suggestions for common rotations, up-and-coming cover crop species, effe
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Soybean Growth and Development
This publication can help soybean producers achieve better yields. It includes photos of soybean vegetative and reproductive stages and updated information about soybean plant growth and management.
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Scouting for Pythium root rot in Soybean
The Scouting for Pythium  root rot in Soybean card is a 6-page, tri-fold pocket-sized publication (3-3/4" x 6") that outlines the symptoms, scouting, management, and disease cycle of Py
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A General Guide for Crop Nutrient and Limestone Recommendations in Iowa
Find phosphorus and potassium recommendations, micronutrient recommendations, and limestone recommendations for soils. Also find soil test procedures and categories.
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Giant Miscanthus Establishment
Giant Miscanthus is a popular crop for biomass production in the Midwest. Following recommendations for field preparation and management, timing and plants to use will help create a productive crop th
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Giant Miscanthus Eradication
Find steps for eradicating Giant Miscanthus, a warm-season perennial grass, when converting farmland from the grass to another crop. Although not spread by seed, the plant's resilient rhizome requires
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Site-Specific Nutrient Management
Site-specific management and planning for nutrient inputs is needed for optimizing economic return and minimizing effects on environmental quality. This publication includes information about factors
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Giant Miscanthus Weed Control
Find methods to control weeds in Giant Miscanthus, a warm-season perennial grass, in this fact sheet. Includes herbicides and mechanical weed control methods
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Scouting for twospotted spider mites in corn and soybean
 The Scouting for twospotted spider mites in corn and soybean card is a 6-page, tri-fold pocket-sized guide (3¾" x 6") containing scouting information, a description, and images of inju
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Identifying moths in black light and pheromone traps in the Midwest
Identifying moths in black light and pheromone traps in the Midwest scouting card is an identification tool for the differentiation of moths which can be caught in various traps. Moths include black c
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Corn Diseases
This booklet will help corn producers and other professionals in the agriculture industry identify corn diseases and provide general recommendations for disease management. The current version i
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Scouting for Goss's wilt of corn
The Scouting for Goss's wilt of corn card is a 6-page, tri-fold pocket-sized guide (3¾" x 6") that outlines the symptoms, scouting, management, and disease cycle of Goss's wilt in corn.
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Vegetable Production Budgets for a High Tunnel
Figure high tunnel profitability for vegetable production with the systems and budgets described in this publication. The information is based on the detailed production records of five farmers growin
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Early Season Soybean Scouting
The Early season soybean scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to seed, seedlings, and young soybean plants from shortly after planting throu
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Mid-season Soybean Scouting
The Mid-season soybean scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to soybean plants during the late vegetative through R2 growth stages.
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Late Season Soybean Scouting
The Late season soybean scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to soybean plants during the R3 (pod fill) through R8 (maturity) growth stages.
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Early Season Corn Scouting
The Early season corn scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to seed, seedlings, and young corn plants from shortly after planting through the
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Mid-season Corn Scouting
The Mid-season corn scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to corn plants during the later vegetative through R1 (silking) growth stages.
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Late Season Corn Scouting
The Late season corn scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to corn plants from R2 (blister) through R6 (physiological maturity) growth stages
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Attitudes Toward Cover Crops in Iowa: Benefits and Barriers
Learn how research on cover crops as a means toward maintaining and increasing soil productivity, also reduce agriculture's environmental impacts. Based on data from the Iowa Farm and Rural Life Pol
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Got Plant or Insect Problems?
The ISU Plant and Insect Diagnostic Clinic helps Iowans diagnose and manage plant diseases, weeds, and insects in fields and around your home. Here's an introduction to the clinic.
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Growing Organic Vegetables in Iowa
Organic production and consumption has increased over the past 20 years. Learn how to raise organic vegetables - including strategies for composting, pest management, and disease management.
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Rainwater Catchment from a High Tunnel for Irrigation Use
Make high tunnels more profitable for crop production by installing a system to catch, store, and reuse the rainwater from periodic rain events. The authors describe system components, give approximat
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Giant Miscanthus - Rhizomes v. Plugs
Giant Miscanthus (Miscanthus x giganteus) is one of the most promising biomass crop candidates for the Midwest, but as a sterile hybrid perennial grass, it must be vegetatively propagated. Learn about
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Sensing Nitrogen Stress in Corn
Water quality concerns and high N fertilizer prices have made more precise nitrogen management strategies important to improve efficiency and profitability. Get the details here.
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Corn Growth and Development
Corn Growth and Development is an updated and expanded publication and includes whole plant photography, detailed descriptions of vegetative and reproductive development, and dry matter and nutrient
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Crecimiento y desarrollo del maiz (Corn Growth and Development Spanish version)
Corn Growth and Development is an updated and expanded publication and includes whole plant photography, detailed descriptions of vegetative and reproductive development, and dry matter and nutrient a
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Foliar Fungicides for Corn: Targeting Disease
This publication provides information on foliar fungicides for corn, including when to scout, disease risk factors, and when a foliar fungicide application should be considered.
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Weed Identification Field Guide 2nd Edition
The Weed Identification Field Guide, 2nd Edition, is a revised and expanded pocket-sized guide (3-3/4" x 6") for farmers and agronomists to use for weed identification in Iowa corn and soybe
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ISU College of Agriculture and Life Sciences Research Progress Reports
Iowa State University's College of Agriculture and Life Sciences in partnership with ISU Extension, conducts research on Iowa farmland every year. The farm reports are annual agricultural research pro
Maximizing Profitability on Highly Erodible Land in Iowa | Conservation Reserve Program: Issues and Options
Options in grass may be the most profitable for CRP land when the long term cost of erosion is considered. Get the details on six income options: CRP, two rotational grazing options, two crop options
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Limiting Field Operations - Farm Energy
Certain field operations are required in modern crop production. But 100 percent fuel savings results when equipment stays parked in the machine shed and a trip across the field is eliminated. Find ou
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Iowa Farm and Rural Life Poll: 2009 Summary Report
Highlights from the 2009 farm and rural life poll include: the next generation of farmers, farm policy and commodity production, mixed livestock and grain farming, farming and food systems in rural co
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Leadership in the Bioeconomy -- Iowa State University College of Agriculture and Life Sciences
Details how the ISU College of Agriculture and Life Sciences is involved in the bioeconomy through research, extension, and education.
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Grain Test Weight Deception
Some grain dryer advertisements may be deceptive. Get the details and see an example.
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The Ensiling Process and Additives
Ensiling products has many purposes, including achieving optimum dry matter content, providing long-term storage and increasing harvest-time flexibility. Learn how to safely and successfully ensile yo
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Organic Flax Production in Iowa
There is renewed interest in growing food grade flaxseed and flaxseed oil in Iowa. Find the latest research and advice on planting, fertility requirements, variety selection, pest management, economic
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Economic Analysis of Three Iowa Rotations
Compare the economic return to management of three crop rotations: conventional corn-soybean, organic corn-soybean-oat/alfalfa-alfalfa, and low external-input corn-soybean-oat-alfalfa. This peer-revie
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Flax Production Guidelines for Iowa
Flax for grain is beginning to be planted in Iowa again. Learn about rotation, planting, fertility, weed management, insect and disease control, and harvest.
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Intercropping Winter Cereal Grains and Red Clover
This publication provides details of research indicating intercropping of winter cereal grains with red clover is a promising option for expanding crop rotation. Careful management is the key.
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Concepts and Rationale for Regional Nitrogen Rate Guidelines for Corn
This publication focuses on rates of nitrogen application in rain-fed conditions, and corn-soybean and corn-corn rotations. The information is designed primarily for agronomists and crop consultants,
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Iowa Vegetable Production Budgets
This enterprise budgeting tool can help vegetable growers estimate the costs and revenue associated with producing a product. Growers with multiple enterprises can use total sales as the basis for es
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Value Added Agriculture Program -- Providing Leadership in Producer-run, Value-Added Agriculture Activities
This publication discusses the Value-added Agriculture Program and its activities, explains its purposes, and provides necessary resources.
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Issues in Weed Management for 2006
Important information on weed management issues, including an update on glyphosate-resistant weeds and weed population shifts, and how to better understand glyphosate to increase performance.
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National Directory Organic Agriculture Expertise July 2005
This publication contains contact information on self-identified organic agriculture experts from 42 states and several countries around the world.
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About Ethics - Bioethics Outreach Series
Hard copies available from Glenda Webber -- 1210 Molecullar Biology Bldg. -- Office of Biotechnology 515-294-4749.
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Agricultural Health Study -- Risk Factors for Injury from Livestock and Farm Machinery
Publication discusses risk factors significantly associated with animal-related and machinery-related injury among farmers surveyed in Iowa. Hearing loss is leading risk factor for both types of inju
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Weed Management for Organic Farmers
Organic farmers use a wide variety of tools and strategies to control weeds without synthetic chemicals. Those tools and strategies and their effects on soil quality are discussed.
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Fundamentals of Organic Agriculture
Detailed information on organic agriculture including history, legalities and logistics, labeling, marketing, and pest and weed management. Includes two field examples on organic soybean and apple p
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Crop Responses to AmiSorb in the North Central Region
This publication summarizes research done on the use of Amisorb with agronomic crops to help farmers decide where and how this product might fit into their fertilization program.
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Identifying Valuable Corn Quality Traits for Starch Production
This report is prepared by the Iowa Grain Quality Initiative Traits Task Team. It summarizes possible corn modifications to achieve new starches.
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Identifying Valuable Corn Quality Traits for Livestock Feed
This report is intended to provoke discussion and debate that will lead to a vision among researchers in public institutions, seed companies, and the feed industry for modifying corn quality traits to
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Strip Intercropping
Learn about how strip intercropping benefits Iowa farmers. Strip intercropping is where multiple crops are grown in narrow, adjacent strips that allow interaction between the different species, but
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Impact of ACA on Crop Yield in the North Central Region
This publication discusses the use of ACA (Agricultural Crop Additive) and the effect it has on crop yield when mixed with other fertilizers.
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Seed Lot Sampling

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